CobaltMaghrebV1, PascalFrancis, Curation, bibRecord, 000069

An electrochemical study of mono-substituted intermetallic hydrides

Identifieur interne : 000069 ( PascalFrancis/Curation ); précédent : 000068; suivant : 000070

An electrochemical study of mono-substituted intermetallic hydrides

Auteurs : R. Baddour-Hadjean [France] ; H. Mathlouthi [Tunisie] ; J. P. Pereira-Ramos [France] ; J. Lamloumi [Tunisie] ; M. Latroche [France] ; A. Percheron-Guegan [France]

Source :

Journal of alloys and compounds [ 0925-8388 ] ; 2003.

RBID : Pascal:03-0428988

Descripteurs français

Pascal (Inist)
- Cinétique, Corrosion, Diffusion chimique, Coefficient diffusion, Longueur diffusion(transport), Epaisseur, Etude expérimentale, Stockage hydrogène, Impédance, Composé intermétallique, Couche oxyde, Nickel alliage, Cobalt alliage, Lanthane alliage, Manganèse alliage, Aluminium alliage, Alliage LaNiCo, Co La Ni, Alliage LaNiMn, La Mn Ni, 8460V, 6630F, 8245B, Alliage LaNiAl, Al La Ni.
Wicri :
- topic : Corrosion.

English descriptors

KwdEn :
- Aluminium alloy, Chemical diffusion, Cobalt alloy, Corrosion, Diffusion coefficient, Diffusion length, Experimental study, Hydrogen storage, Impedance, Intermetallic compound, Kinetics, Lanthanum alloy, Manganèse alloy, Nickel alloy, Oxide layer, Thickness.

Abstract

The electrochemical behaviour of LaNi_2.5Co_2.5, LaNi_4.5Mn_0.5 and LaNi_4.5Al_0.5 intermetallic compounds was investigated using chronopotentiometric and impedance measurements. Electrochemical isotherms have been found to be in good agreement with solid gas determinations. Kinetics data are drawn from impedance spectroscopy for the three compounds. Important changes in the magnitude of a low frequency semicircle in the impedance diagrams have been correlated to a corrosion layer effect which is strongly reduced from the first cycle and as cycling proceeds. A subsequent increase in the apparent hydrogen chemical diffusion coefficient D_H is found from the first cycle, which is well correlated to the decrease of the diffusion length through the oxide layer as the thickness of the corrosion layer decreases. The apparent hydrogen chemical diffusion coefficient is found to be one order of magnitude larger in the α phase (10^-10 cm²/s) than in the β phase.

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A08	`01`	`1`	`ENG`	`@1 An electrochemical study of mono-substituted intermetallic hydrides`
A09	`01`	`1`	`ENG`	`@1 Proceedings of the Eighth International Symposium on Metal-Hydrogen Systems, Fundamentals and Applications (MH2002), September 2-6, 2002, Annecy, France`
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C01	`01`		`ENG`	@0 The electrochemical behaviour of LaNi_2.5Co_2.5, LaNi_4.5Mn_0.5 and LaNi_4.5Al_0.5 intermetallic compounds was investigated using chronopotentiometric and impedance measurements. Electrochemical isotherms have been found to be in good agreement with solid gas determinations. Kinetics data are drawn from impedance spectroscopy for the three compounds. Important changes in the magnitude of a low frequency semicircle in the impedance diagrams have been correlated to a corrosion layer effect which is strongly reduced from the first cycle and as cycling proceeds. A subsequent increase in the apparent hydrogen chemical diffusion coefficient D_H is found from the first cycle, which is well correlated to the decrease of the diffusion length through the oxide layer as the thickness of the corrosion layer decreases. The apparent hydrogen chemical diffusion coefficient is found to be one order of magnitude larger in the α phase (10^-10 cm²/s) than in the β phase.
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C03	`02`	`X`	`FRE`	`@0 Corrosion @5 03`
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C03	`12`	`X`	`FRE`	`@0 Nickel alliage @5 17`
C03	`12`	`X`	`ENG`	`@0 Nickel alloy @5 17`
C03	`12`	`X`	`GER`	`@0 Nickellegierung @5 17`
C03	`12`	`X`	`SPA`	`@0 Níquel aleación @5 17`
C03	`13`	`X`	`FRE`	`@0 Cobalt alliage @5 18`
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C03	`13`	`X`	`SPA`	`@0 Cobalto aleación @5 18`
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C03	`16`	`X`	`SPA`	`@0 Aluminio aleación @5 21`
C03	`17`	`X`	`FRE`	`@0 Alliage LaNiCo @4 INC @5 52`
C03	`18`	`X`	`FRE`	`@0 Co La Ni @4 INC @5 53`
C03	`19`	`X`	`FRE`	`@0 Alliage LaNiMn @4 INC @5 54`
C03	`20`	`X`	`FRE`	`@0 La Mn Ni @4 INC @5 55`
C03	`21`	`X`	`FRE`	`@0 8460V @2 PAC @4 INC @5 56`
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C07	`03`	`X`	`FRE`	`@0 Lanthanide alliage @5 50`
C07	`03`	`X`	`ENG`	`@0 Rare earth metal alloy @5 50`
C07	`03`	`X`	`GER`	`@0 Seltenerdmetallegierung @5 50`
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N21				`@1 293`
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A30	`01`	`1`	`ENG`	`@1 MH2002: Metal-Hydrogen Systems, Fundamentals and Applications. International Symposium @2 8 @3 Annecy FRA @4 2002-09-02`

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Le document en format XML

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<author><name sortKey="Lamloumi, J" sort="Lamloumi, J" uniqKey="Lamloumi J" first="J." last="Lamloumi">J. Lamloumi</name>
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<series><title level="j" type="main">Journal of alloys and compounds</title>
<title level="j" type="abbreviated">J. alloys compd.</title>
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<title level="j" type="abbreviated">J. alloys compd.</title>
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<profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Aluminium alloy</term>
<term>Chemical diffusion</term>
<term>Cobalt alloy</term>
<term>Corrosion</term>
<term>Diffusion coefficient</term>
<term>Diffusion length</term>
<term>Experimental study</term>
<term>Hydrogen storage</term>
<term>Impedance</term>
<term>Intermetallic compound</term>
<term>Kinetics</term>
<term>Lanthanum alloy</term>
<term>Manganèse alloy</term>
<term>Nickel alloy</term>
<term>Oxide layer</term>
<term>Thickness</term>
</keywords>
<keywords scheme="Pascal" xml:lang="fr"><term>Cinétique</term>
<term>Corrosion</term>
<term>Diffusion chimique</term>
<term>Coefficient diffusion</term>
<term>Longueur diffusion(transport)</term>
<term>Epaisseur</term>
<term>Etude expérimentale</term>
<term>Stockage hydrogène</term>
<term>Impédance</term>
<term>Composé intermétallique</term>
<term>Couche oxyde</term>
<term>Nickel alliage</term>
<term>Cobalt alliage</term>
<term>Lanthane alliage</term>
<term>Manganèse alliage</term>
<term>Aluminium alliage</term>
<term>Alliage LaNiCo</term>
<term>Co La Ni</term>
<term>Alliage LaNiMn</term>
<term>La Mn Ni</term>
<term>8460V</term>
<term>6630F</term>
<term>8245B</term>
<term>Alliage LaNiAl</term>
<term>Al La Ni</term>
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<front><div type="abstract" xml:lang="en">The electrochemical behaviour of LaNi<sub>2.5</sub>
Co<sub>2.5</sub>
, LaNi<sub>4.5</sub>
Mn<sub>0.5</sub>
 and LaNi<sub>4.5</sub>
Al<sub>0.5</sub>
 intermetallic compounds was investigated using chronopotentiometric and impedance measurements. Electrochemical isotherms have been found to be in good agreement with solid gas determinations. Kinetics data are drawn from impedance spectroscopy for the three compounds. Important changes in the magnitude of a low frequency semicircle in the impedance diagrams have been correlated to a corrosion layer effect which is strongly reduced from the first cycle and as cycling proceeds. A subsequent increase in the apparent hydrogen chemical diffusion coefficient D<sub>H</sub>
 is found from the first cycle, which is well correlated to the decrease of the diffusion length through the oxide layer as the thickness of the corrosion layer decreases. The apparent hydrogen chemical diffusion coefficient is found to be one order of magnitude larger in the α phase (10<sup>-10</sup>
 cm<sup>2</sup>
/s) than in the β phase.</div>
</front>
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<fA08 i1="01" i2="1" l="ENG"><s1>An electrochemical study of mono-substituted intermetallic hydrides</s1>
</fA08>
<fA09 i1="01" i2="1" l="ENG"><s1>Proceedings of the Eighth International Symposium on Metal-Hydrogen Systems, Fundamentals and Applications (MH2002), September 2-6, 2002, Annecy, France</s1>
</fA09>
<fA11 i1="01" i2="1"><s1>BADDOUR-HADJEAN (R.)</s1>
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<fA11 i1="02" i2="1"><s1>MATHLOUTHI (H.)</s1>
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<fA11 i1="03" i2="1"><s1>PEREIRA-RAMOS (J. P.)</s1>
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<fA11 i1="04" i2="1"><s1>LAMLOUMI (J.)</s1>
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<fA11 i1="05" i2="1"><s1>LATROCHE (M.)</s1>
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<fA11 i1="06" i2="1"><s1>PERCHERON-GUEGAN (A.)</s1>
</fA11>
<fA12 i1="01" i2="1"><s1>PERCHERON-GUEGAN (Annick)</s1>
<s9>ed.</s9>
</fA12>
<fA12 i1="02" i2="1"><s1>GUPTA (Michèle)</s1>
<s9>ed.</s9>
</fA12>
<fA14 i1="01"><s1>LADIR, CNRS UMR 7075, 2 rue Henri Dunant</s1>
<s2>94320 Thiais</s2>
<s3>FRA</s3>
<sZ>1 aut.</sZ>
</fA14>
<fA14 i1="02"><s1>L.M.M.P., ESSTT, 5 Avenue Taha Hussein</s1>
<s2>1008 Tunis</s2>
<s3>TUN</s3>
<sZ>2 aut.</sZ>
<sZ>4 aut.</sZ>
</fA14>
<fA14 i1="03"><s1>LECSO, CNRS UMR 7582, 2 rue Henri Dunant</s1>
<s2>94320 Thiais</s2>
<s3>FRA</s3>
<sZ>3 aut.</sZ>
</fA14>
<fA14 i1="04"><s1>LCMTR, CNRS UPR 209, 2 rue Henri Dunant</s1>
<s2>94320 Thiais</s2>
<s3>FRA</s3>
<sZ>5 aut.</sZ>
<sZ>6 aut.</sZ>
</fA14>
<fA20><s1>750-754</s1>
</fA20>
<fA21><s1>2003</s1>
</fA21>
<fA23 i1="01"><s0>ENG</s0>
</fA23>
<fA43 i1="01"><s1>INIST</s1>
<s2>1151</s2>
<s5>354000112625411600</s5>
</fA43>
<fA44><s0>0000</s0>
<s1>© 2003 INIST-CNRS. All rights reserved.</s1>
</fA44>
<fA45><s0>29 ref.</s0>
</fA45>
<fA47 i1="01" i2="1"><s0>03-0428988</s0>
</fA47>
<fA60><s1>P</s1>
<s2>C</s2>
</fA60>
<fA61><s0>A</s0>
</fA61>
<fA64 i1="01" i2="1"><s0>Journal of alloys and compounds</s0>
</fA64>
<fA66 i1="01"><s0>CHE</s0>
</fA66>
<fC01 i1="01" l="ENG"><s0>The electrochemical behaviour of LaNi<sub>2.5</sub>
Co<sub>2.5</sub>
, LaNi<sub>4.5</sub>
Mn<sub>0.5</sub>
 and LaNi<sub>4.5</sub>
Al<sub>0.5</sub>
 intermetallic compounds was investigated using chronopotentiometric and impedance measurements. Electrochemical isotherms have been found to be in good agreement with solid gas determinations. Kinetics data are drawn from impedance spectroscopy for the three compounds. Important changes in the magnitude of a low frequency semicircle in the impedance diagrams have been correlated to a corrosion layer effect which is strongly reduced from the first cycle and as cycling proceeds. A subsequent increase in the apparent hydrogen chemical diffusion coefficient D<sub>H</sub>
 is found from the first cycle, which is well correlated to the decrease of the diffusion length through the oxide layer as the thickness of the corrosion layer decreases. The apparent hydrogen chemical diffusion coefficient is found to be one order of magnitude larger in the α phase (10<sup>-10</sup>
 cm<sup>2</sup>
/s) than in the β phase.</s0>
</fC01>
<fC02 i1="01" i2="X"><s0>001D05I03F</s0>
</fC02>
<fC02 i1="02" i2="3"><s0>001B60F30F</s0>
</fC02>
<fC02 i1="03" i2="X"><s0>001D11E01</s0>
</fC02>
<fC02 i1="04" i2="X"><s0>240</s0>
</fC02>
<fC03 i1="01" i2="X" l="FRE"><s0>Cinétique</s0>
<s5>02</s5>
</fC03>
<fC03 i1="01" i2="X" l="ENG"><s0>Kinetics</s0>
<s5>02</s5>
</fC03>
<fC03 i1="01" i2="X" l="GER"><s0>Kinetik</s0>
<s5>02</s5>
</fC03>
<fC03 i1="01" i2="X" l="SPA"><s0>Cinética</s0>
<s5>02</s5>
</fC03>
<fC03 i1="02" i2="X" l="FRE"><s0>Corrosion</s0>
<s5>03</s5>
</fC03>
<fC03 i1="02" i2="X" l="ENG"><s0>Corrosion</s0>
<s5>03</s5>
</fC03>
<fC03 i1="02" i2="X" l="GER"><s0>Korrosion</s0>
<s5>03</s5>
</fC03>
<fC03 i1="02" i2="X" l="SPA"><s0>Corrosión</s0>
<s5>03</s5>
</fC03>
<fC03 i1="03" i2="X" l="FRE"><s0>Diffusion chimique</s0>
<s5>04</s5>
</fC03>
<fC03 i1="03" i2="X" l="ENG"><s0>Chemical diffusion</s0>
<s5>04</s5>
</fC03>
<fC03 i1="03" i2="X" l="SPA"><s0>Difusión química</s0>
<s5>04</s5>
</fC03>
<fC03 i1="04" i2="X" l="FRE"><s0>Coefficient diffusion</s0>
<s5>05</s5>
</fC03>
<fC03 i1="04" i2="X" l="ENG"><s0>Diffusion coefficient</s0>
<s5>05</s5>
</fC03>
<fC03 i1="04" i2="X" l="GER"><s0>Diffusionskoeffizient</s0>
<s5>05</s5>
</fC03>
<fC03 i1="04" i2="X" l="SPA"><s0>Coeficiente difusión</s0>
<s5>05</s5>
</fC03>
<fC03 i1="05" i2="3" l="FRE"><s0>Longueur diffusion(transport)</s0>
<s5>06</s5>
</fC03>
<fC03 i1="05" i2="3" l="ENG"><s0>Diffusion length</s0>
<s5>06</s5>
</fC03>
<fC03 i1="06" i2="X" l="FRE"><s0>Epaisseur</s0>
<s5>07</s5>
</fC03>
<fC03 i1="06" i2="X" l="ENG"><s0>Thickness</s0>
<s5>07</s5>
</fC03>
<fC03 i1="06" i2="X" l="GER"><s0>Dicke</s0>
<s5>07</s5>
</fC03>
<fC03 i1="06" i2="X" l="SPA"><s0>Espesor</s0>
<s5>07</s5>
</fC03>
<fC03 i1="07" i2="X" l="FRE"><s0>Etude expérimentale</s0>
<s5>08</s5>
</fC03>
<fC03 i1="07" i2="X" l="ENG"><s0>Experimental study</s0>
<s5>08</s5>
</fC03>
<fC03 i1="07" i2="X" l="GER"><s0>Experimentelle Untersuchung</s0>
<s5>08</s5>
</fC03>
<fC03 i1="07" i2="X" l="SPA"><s0>Estudio experimental</s0>
<s5>08</s5>
</fC03>
<fC03 i1="08" i2="3" l="FRE"><s0>Stockage hydrogène</s0>
<s5>09</s5>
</fC03>
<fC03 i1="08" i2="3" l="ENG"><s0>Hydrogen storage</s0>
<s5>09</s5>
</fC03>
<fC03 i1="09" i2="X" l="FRE"><s0>Impédance</s0>
<s5>10</s5>
</fC03>
<fC03 i1="09" i2="X" l="ENG"><s0>Impedance</s0>
<s5>10</s5>
</fC03>
<fC03 i1="09" i2="X" l="SPA"><s0>Impedancia</s0>
<s5>10</s5>
</fC03>
<fC03 i1="10" i2="X" l="FRE"><s0>Composé intermétallique</s0>
<s5>15</s5>
</fC03>
<fC03 i1="10" i2="X" l="ENG"><s0>Intermetallic compound</s0>
<s5>15</s5>
</fC03>
<fC03 i1="10" i2="X" l="GER"><s0>Intermetallische Verbindung</s0>
<s5>15</s5>
</fC03>
<fC03 i1="10" i2="X" l="SPA"><s0>Compuesto intermetálico</s0>
<s5>15</s5>
</fC03>
<fC03 i1="11" i2="X" l="FRE"><s0>Couche oxyde</s0>
<s5>16</s5>
</fC03>
<fC03 i1="11" i2="X" l="ENG"><s0>Oxide layer</s0>
<s5>16</s5>
</fC03>
<fC03 i1="11" i2="X" l="GER"><s0>Oxidschicht</s0>
<s5>16</s5>
</fC03>
<fC03 i1="11" i2="X" l="SPA"><s0>Capa óxido</s0>
<s5>16</s5>
</fC03>
<fC03 i1="12" i2="X" l="FRE"><s0>Nickel alliage</s0>
<s5>17</s5>
</fC03>
<fC03 i1="12" i2="X" l="ENG"><s0>Nickel alloy</s0>
<s5>17</s5>
</fC03>
<fC03 i1="12" i2="X" l="GER"><s0>Nickellegierung</s0>
<s5>17</s5>
</fC03>
<fC03 i1="12" i2="X" l="SPA"><s0>Níquel aleación</s0>
<s5>17</s5>
</fC03>
<fC03 i1="13" i2="X" l="FRE"><s0>Cobalt alliage</s0>
<s5>18</s5>
</fC03>
<fC03 i1="13" i2="X" l="ENG"><s0>Cobalt alloy</s0>
<s5>18</s5>
</fC03>
<fC03 i1="13" i2="X" l="GER"><s0>Cobaltlegierung</s0>
<s5>18</s5>
</fC03>
<fC03 i1="13" i2="X" l="SPA"><s0>Cobalto aleación</s0>
<s5>18</s5>
</fC03>
<fC03 i1="14" i2="X" l="FRE"><s0>Lanthane alliage</s0>
<s5>19</s5>
</fC03>
<fC03 i1="14" i2="X" l="ENG"><s0>Lanthanum alloy</s0>
<s5>19</s5>
</fC03>
<fC03 i1="14" i2="X" l="GER"><s0>Lanthanlegierung</s0>
<s5>19</s5>
</fC03>
<fC03 i1="14" i2="X" l="SPA"><s0>Lantano aleación</s0>
<s5>19</s5>
</fC03>
<fC03 i1="15" i2="X" l="FRE"><s0>Manganèse alliage</s0>
<s5>20</s5>
</fC03>
<fC03 i1="15" i2="X" l="ENG"><s0>Manganèse alloy</s0>
<s5>20</s5>
</fC03>
<fC03 i1="15" i2="X" l="GER"><s0>Manganlegierung</s0>
<s5>20</s5>
</fC03>
<fC03 i1="15" i2="X" l="SPA"><s0>Manganeso aleación</s0>
<s5>20</s5>
</fC03>
<fC03 i1="16" i2="X" l="FRE"><s0>Aluminium alliage</s0>
<s5>21</s5>
</fC03>
<fC03 i1="16" i2="X" l="ENG"><s0>Aluminium alloy</s0>
<s5>21</s5>
</fC03>
<fC03 i1="16" i2="X" l="GER"><s0>Aluminiumlegierung</s0>
<s5>21</s5>
</fC03>
<fC03 i1="16" i2="X" l="SPA"><s0>Aluminio aleación</s0>
<s5>21</s5>
</fC03>
<fC03 i1="17" i2="X" l="FRE"><s0>Alliage LaNiCo</s0>
<s4>INC</s4>
<s5>52</s5>
</fC03>
<fC03 i1="18" i2="X" l="FRE"><s0>Co La Ni</s0>
<s4>INC</s4>
<s5>53</s5>
</fC03>
<fC03 i1="19" i2="X" l="FRE"><s0>Alliage LaNiMn</s0>
<s4>INC</s4>
<s5>54</s5>
</fC03>
<fC03 i1="20" i2="X" l="FRE"><s0>La Mn Ni</s0>
<s4>INC</s4>
<s5>55</s5>
</fC03>
<fC03 i1="21" i2="X" l="FRE"><s0>8460V</s0>
<s2>PAC</s2>
<s4>INC</s4>
<s5>56</s5>
</fC03>
<fC03 i1="22" i2="X" l="FRE"><s0>6630F</s0>
<s2>PAC</s2>
<s4>INC</s4>
<s5>57</s5>
</fC03>
<fC03 i1="23" i2="X" l="FRE"><s0>8245B</s0>
<s2>PAC</s2>
<s4>INC</s4>
<s5>58</s5>
</fC03>
<fC03 i1="24" i2="X" l="FRE"><s0>Alliage LaNiAl</s0>
<s4>INC</s4>
<s5>92</s5>
</fC03>
<fC03 i1="25" i2="X" l="FRE"><s0>Al La Ni</s0>
<s4>INC</s4>
<s5>93</s5>
</fC03>
<fC07 i1="01" i2="X" l="FRE"><s0>Composé minéral</s0>
<s5>48</s5>
</fC07>
<fC07 i1="01" i2="X" l="ENG"><s0>Inorganic compound</s0>
<s5>48</s5>
</fC07>
<fC07 i1="01" i2="X" l="SPA"><s0>Compuesto inorgánico</s0>
<s5>48</s5>
</fC07>
<fC07 i1="02" i2="X" l="FRE"><s0>Métal transition alliage</s0>
<s5>49</s5>
</fC07>
<fC07 i1="02" i2="X" l="ENG"><s0>Transition metal alloy</s0>
<s5>49</s5>
</fC07>
<fC07 i1="02" i2="X" l="GER"><s0>Uebergangsmetallegierung</s0>
<s5>49</s5>
</fC07>
<fC07 i1="02" i2="X" l="SPA"><s0>Metal transición aleación</s0>
<s5>49</s5>
</fC07>
<fC07 i1="03" i2="X" l="FRE"><s0>Lanthanide alliage</s0>
<s5>50</s5>
</fC07>
<fC07 i1="03" i2="X" l="ENG"><s0>Rare earth metal alloy</s0>
<s5>50</s5>
</fC07>
<fC07 i1="03" i2="X" l="GER"><s0>Seltenerdmetallegierung</s0>
<s5>50</s5>
</fC07>
<fC07 i1="03" i2="X" l="SPA"><s0>Lantánido aleación</s0>
<s5>50</s5>
</fC07>
<fN21><s1>293</s1>
</fN21>
<fN82><s1>PSI</s1>
</fN82>
</pA>
<pR><fA30 i1="01" i2="1" l="ENG"><s1>MH2002: Metal-Hydrogen Systems, Fundamentals and Applications. International Symposium</s1>
<s2>8</s2>
<s3>Annecy FRA</s3>
<s4>2002-09-02</s4>
</fA30>
</pR>
</standard>
</inist>
</record>

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An electrochemical study of mono-substituted intermetallic hydrides

An electrochemical study of mono-substituted intermetallic hydrides

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